NPDES IN0022977 · Clean Water Act
GARY SANITARY DISTRICT, Gary, IN: NPDES IN0022977 discharge permit, effluent exceedances, inspections, penalties
GARY SANITARY DISTRICT, Gary, Indiana: Individual permit IN0022977, held by GARY SANITARY DISTRICT WWTP; Publicly owned treatment works; Administratively continued; issued June 23, 2017, term to June 30, 2022, by IDEM; discharges to GRAND CALUMET R & LITTLE CALUMET R.
4 of the 60 pollutants listed for NPDES IN0022977 have no violation or effluent exceedance.
- Chloride [as Cl]: 3 limits, 114 violations of any kind, 114 effluent exceedances, latest June 30, 2006, largest 168% over the limit.
- Solids, total suspended: 8 limits, 91 violations of any kind, 78 effluent exceedances, latest June 30, 2026, largest 716% over the limit.
- Solids, total dissolved: 0 limits, 53 violations of any kind, 50 effluent exceedances, latest February 28, 2005, largest 41% over the limit.
- Mercury, total recoverable: 3 limits, 34 violations of any kind, 28 effluent exceedances, latest June 30, 2005, largest 300% over the limit.
- Copper, total recoverable: 3 limits, 40 violations of any kind, 27 effluent exceedances, latest August 31, 2005, largest 867% over the limit.
- Phosphorus, total [as P]: 1 limit, 30 violations of any kind, 26 effluent exceedances, latest October 31, 2005, largest 600% over the limit.
- Nitrogen, ammonia total [as N]: 8 limits, 33 violations of any kind, 20 effluent exceedances, latest April 30, 2026, largest 99,999% over the limit.
- Fluoride, total [as F]: 3 limits, 26 violations of any kind, 17 effluent exceedances, latest August 31, 2000, largest 497% over the limit.
- E. coli, MTEC-MF: 0 limits, 14 violations of any kind, 14 effluent exceedances, latest July 31, 1999, largest 4,155% over the limit.
- Phosphorus, total percent removal: 1 limit, 16 violations of any kind, 12 effluent exceedances, latest September 30, 2008, largest 55% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 8 limits, 24 violations of any kind, 11 effluent exceedances, latest March 31, 2023, largest 298% over the limit.
- Chlorine, total residual: 4 limits, 18 violations of any kind, 11 effluent exceedances, latest May 31, 2020, largest 180% over the limit.
- Cyanide, total [as CN]: 0 limits, 19 violations of any kind, 7 effluent exceedances, latest March 31, 2005, largest 137% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 10 violations of any kind, 6 effluent exceedances, latest August 31, 2020, largest 22% over the limit.
- Zinc, total recoverable: 3 limits, 19 violations of any kind, 5 effluent exceedances, latest June 30, 1999, largest 2,400% over the limit.
- Lead, total recoverable: 3 limits, 11 violations of any kind, 5 effluent exceedances, latest March 31, 1999, largest 332% over the limit.
- Sulfate, total [as SO4]: 3 limits, 12 violations of any kind, 4 effluent exceedances, latest April 30, 2003, largest 55% over the limit.
- Phenolics, total: 0 limits, 10 violations of any kind, 4 effluent exceedances, latest January 31, 2003, largest 637% over the limit.
- Oil & Grease: 1 limit, 8 violations of any kind, 4 effluent exceedances, latest June 30, 2001, largest 70% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 4 violations of any kind, 4 effluent exceedances, latest October 31, 2023, largest 120% over the limit.
- Iron, dissolved [as Fe]: 0 limits, 9 violations of any kind, 3 effluent exceedances, latest February 28, 2005, largest 73% over the limit.
- Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest November 30, 2012, largest 90% over the limit.
- Noel Statre 7Day Chronic Pimephales: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 1995, largest 88% over the limit.
- Arsenic, total recoverable: 0 limits, 7 violations of any kind, 1 effluent exceedance, latest February 28, 2002, largest 67% over the limit.
- Chromium, hexavalent dissolved [as Cr]: 0 limits, 7 violations of any kind, 1 effluent exceedance, latest July 31, 2000, largest 531% over the limit.
- Coliform, fecal general: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest April 30, 1995, largest 200% over the limit.
- Precipitation, monthly accumulation: 12 limits, 26 violations of any kind.
- Cyanide, free [as free]: 3 limits, 8 violations of any kind.
- Flow, in conduit or thru treatment plant: 1 limit, 8 violations of any kind.
- Nickel, total recoverable: 3 limits, 6 violations of any kind.
- Cadmium, total recoverable: 3 limits, 6 violations of any kind.
- Chromium, total recoverable: 3 limits, 6 violations of any kind.
- pH: 2 limits, 6 violations of any kind.
- Cadmium, total [as Cd]: 0 limits, 6 violations of any kind.
- Chromium, total [as Cr]: 0 limits, 6 violations of any kind.
- Copper, total [as Cu]: 0 limits, 6 violations of any kind.
- Lead, total [as Pb]: 0 limits, 6 violations of any kind.
- Nickel, total [as Ni]: 0 limits, 6 violations of any kind.
- Zinc, total [as Zn]: 0 limits, 6 violations of any kind.
- Mercury, total [as Hg]: 0 limits, 6 violations of any kind.
- Overflow volume [SS0 volume, CSO volume]: 12 limits, 2 violations of any kind.
- Discharge event observation [Visual Monitoring]: 12 limits, 2 violations of any kind.
- Nitrogen, total [as N]: 0 limits, 2 violations of any kind.
- Ann. amt sludge disposed by other method: 0 limits, 2 violations of any kind.
- Annual amt of sludge incinerated: 0 limits, 2 violations of any kind.
- Annual sludge production, total: 0 limits, 2 violations of any kind.
- Annual amount of sludge land applied: 0 limits, 2 violations of any kind.
- Annual amt. sludge disposed surface unit: 0 limits, 2 violations of any kind.
- Annual amt sludge disposed in landfill: 0 limits, 2 violations of any kind.
- Annual amt sludge transported interstate: 0 limits, 2 violations of any kind.
- Duration: 12 limits, 1 violation of any kind.
- Toxicity [acute], Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
- Toxicity [chronic], Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 2 limits, 1 violation of any kind.
- Flow, total: 1 limit, 1 violation of any kind.
- LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 0 limits, 1 violation of any kind.
- Cyanide, free [amenable to chlorination]: 3 limits.
- Iron, total recoverable: 3 limits.
- Arsenic, total [as As]: 3 limits.
- Phenolics, total recoverable: 3 limits.
- July 1, 2026: Evaluation (S).
- June 23, 2026: Audit (S).
- January 13, 2026: Evaluation (S).
Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 97 were issued before IN0022977. GARY SANITARY DISTRICT WWTP holds 2 permits in Indiana.
Other permits held by GARY SANITARY DISTRICT WWTP
- GARY SANITARY DISTRICT WWTP, Gary: INL022977, issued 2021-01-01
Coverages issued nearest IN0022977
- 2017-05-25: MONROVIA WWTP, Monrovia: IN0060640
- 2017-05-25: WARSAW WWTP, Warsaw: IN0060917
- 2017-05-25: SOUTH CENTRAL RSD NORTH PARK WWTP, Bloomington: IN0062936
- 2017-05-29: LAKE BRUCE CONSERVANCY DISTRICT WWTP, Lawton: IN0062855, held by LAKE BRUCE CD WWTP
- 2017-06-23: ALEXANDRIA WWTP, Alexandria: IN0020044
- 2017-06-23: LINDEN MUNICIPAL WWTP, Linden: IN0040274
- 2017-06-30: BURNETTSVILLE WWTP, Burnettsville: IN0039802, held by BURNETTSVILLE MUNICIPAL WWTP
- 2017-06-30: BORDEN WWTP, TOWN OF, Borden: IN0043621
- 2017-06-30: FOWLER MUNICIPAL WWTP, Fowler: IN0050253
- 2017-06-30: TRI-LAKES REGIONAL SEWER DISTRICT, Whitley County: IN0055166
GARY SANITARY DISTRICT among its neighbors
15 discharge permits are in the Little Calumet River-Deep River subwatershed (HUC 040400010508); IN0022977 is one. Its county: 204, 18 major; IN0022977 is major permit.
Other permits in the Little Calumet River-Deep River subwatershed (HUC 040400010508)
- 38TH PLACE STORM SEWER PROJECT HOBART, Hobart: INRA17912, minor, term to 2031-04-08
- CENTRAL AVENUE STORMWATER IMPROVEMENTS, Lake Station: INRA17018, minor, term to 2030-10-21
- CITY OF REFUGE CHRISTIAN CHURCH TREE CLEARING, Portage: INRA07190, minor, term to 2026-02-16
- CRESSMOOR, Hobart: INRA08139, minor, term to 2026-09-02
- DELANEY COMMUNITY HOMES, Gary: INRA09410, minor, term to 2027-03-28
- HOBART 2022 SANITARY SEWER IMPROVEMENTS, Hobart: INRA11016, minor, term to 2027-12-14
- HOBART DOLLAR GENERAL, Hobart: INRA13805, minor, term to 2029-05-02
- IN DOT DES. 1900012 BRIDGE REPLACEMENT, Lake Station: INRA12004, minor, term to 2028-06-19
- INGRAM MANOR MHC, Portage: INRA18280, minor, term to 2031-06-02
- LAKE STATION SANITARY DISTRICT, Lake Station: INJ063592, minor, term to 2025-06-30
Identity
| Facility | GARY SANITARY DISTRICT |
|---|---|
| Permittee | GARY SANITARY DISTRICT WWTP |
| NPDES ID | IN0022977 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 23, 2017 |
| Expires | June 30, 2022 |
| Agency | IDEM |
| Address | Gary, IN 46406 |
| Receiving water | GRAND CALUMET R & LITTLE CALUMET R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Calumet River-Deep River (HUC 040400010508) |
| Program components on file | Biosolids, CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler IND077001808 |
NPDES IN0022977: effluent limits and exceedances
GARY SANITARY DISTRICT (NPDES IN0022977): 61 pollutants on file, 36 limited; 56 with a violation of any kind, 26 with an exceedance.
The 60 with the most exceedances of the 61 on file for NPDES IN0022977. How exceedances are counted.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Chloride [as Cl] | 3 | 114 | 114 | June 30, 2006 | 168% over the limit |
| Solids, total suspended | 8 | 91 | 78 | June 30, 2026 | 716% over the limit |
| Solids, total dissolved | 0 | 53 | 50 | February 28, 2005 | 41% over the limit |
| Mercury, total recoverable | 3 | 34 | 28 | June 30, 2005 | 300% over the limit |
| Copper, total recoverable | 3 | 40 | 27 | August 31, 2005 | 867% over the limit |
| Phosphorus, total [as P] | 1 | 30 | 26 | October 31, 2005 | 600% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 33 | 20 | April 30, 2026 | 99,999% over the limit |
| Fluoride, total [as F] | 3 | 26 | 17 | August 31, 2000 | 497% over the limit |
| E. coli, MTEC-MF | 0 | 14 | 14 | July 31, 1999 | 4,155% over the limit |
| Phosphorus, total percent removal | 1 | 16 | 12 | September 30, 2008 | 55% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 24 | 11 | March 31, 2023 | 298% over the limit |
| Chlorine, total residual | 4 | 18 | 11 | May 31, 2020 | 180% over the limit |
| Cyanide, total [as CN] | 0 | 19 | 7 | March 31, 2005 | 137% over the limit |
| Oxygen, dissolved [DO] | 2 | 10 | 6 | August 31, 2020 | 22% over the limit |
| Zinc, total recoverable | 3 | 19 | 5 | June 30, 1999 | 2,400% over the limit |
| Lead, total recoverable | 3 | 11 | 5 | March 31, 1999 | 332% over the limit |
| Sulfate, total [as SO4] | 3 | 12 | 4 | April 30, 2003 | 55% over the limit |
| Phenolics, total | 0 | 10 | 4 | January 31, 2003 | 637% over the limit |
| Oil & Grease | 1 | 8 | 4 | June 30, 2001 | 70% over the limit |
| E. coli, colony forming units [CFU] | 3 | 4 | 4 | October 31, 2023 | 120% over the limit |
| Iron, dissolved [as Fe] | 0 | 9 | 3 | February 28, 2005 | 73% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 4 | 2 | November 30, 2012 | 90% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 2 | 2 | April 30, 1995 | 88% over the limit |
| Arsenic, total recoverable | 0 | 7 | 1 | February 28, 2002 | 67% over the limit |
| Chromium, hexavalent dissolved [as Cr] | 0 | 7 | 1 | July 31, 2000 | 531% over the limit |
| Coliform, fecal general | 0 | 1 | 1 | April 30, 1995 | 200% over the limit |
| Precipitation, monthly accumulation | 12 | 26 | 0 | ||
| Cyanide, free [as free] | 3 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 8 | 0 | ||
| Nickel, total recoverable | 3 | 6 | 0 | ||
| Cadmium, total recoverable | 3 | 6 | 0 | ||
| Chromium, total recoverable | 3 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Cadmium, total [as Cd] | 0 | 6 | 0 | ||
| Chromium, total [as Cr] | 0 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Lead, total [as Pb] | 0 | 6 | 0 | ||
| Nickel, total [as Ni] | 0 | 6 | 0 | ||
| Zinc, total [as Zn] | 0 | 6 | 0 | ||
| Mercury, total [as Hg] | 0 | 6 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 12 | 2 | 0 | ||
| Discharge event observation [Visual Monitoring] | 12 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 2 | 0 | ||
| Annual amt of sludge incinerated | 0 | 2 | 0 | ||
| Annual sludge production, total | 0 | 2 | 0 | ||
| Annual amount of sludge land applied | 0 | 2 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 2 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 2 | 0 | ||
| Annual amt sludge transported interstate | 0 | 2 | 0 | ||
| Duration | 12 | 1 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 3 | 0 | 0 | ||
| Iron, total recoverable | 3 | 0 | 0 | ||
| Arsenic, total [as As] | 3 | 0 | 0 | ||
| Phenolics, total recoverable | 3 | 0 | 0 |
NPDES IN0022977: inspections, violations and enforcement
NPDES IN0022977: 3 inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2026 | Evaluation | S |
| June 23, 2026 | Audit | S |
| January 13, 2026 | Evaluation | S |
NPDES IN0022977 (GARY SANITARY DISTRICT): no single-event violation, formal enforcement action and informal enforcement action on file.
Watch NPDES IN0022977
NPDES IN0022977: one email when its EPA record changes — $99/month.
Permits near NPDES IN0022977
NPDES IN0022977: 61 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.